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给定一篇英语文章,要求统计出所有单词的个数,并按一定次序输出。思路是利用go语言的map类型,以每个单词作为关键字存储数量信息,代码实现如下:
package main
import ( "fmt" "sort" ) func wordCounterV1(str string) { /*定义变量*/ stringSlice := str[:] temp := str[:] wordStatistic := make(map[string]int) /*把所有出现的单词放入map中*/ j := 0 for i := 0; i < len(stringSlice); i++ { if !((stringSlice[i] >= 65 && stringSlice[i] <= 90) || (stringSlice[i] >= 97 && stringSlice[i] <= 122)) { temp = str[j:i] if len(temp) != 0 { wordStatistic[temp]++ } j = i + 1 } } /*把首字母为大写的单词转换为小写;去除无效字符*/ for i := range wordStatistic { if len(i) > 1 { if (i[0] >= 65 && i[0] <= 90) && (i[1] <= 65 || i[1] >= 90) { strTemp := make([]byte, len(i), len(i)) copy(strTemp, i) strTemp[0] += 32 wordStatistic[string(strTemp)] += wordStatistic[i] delete(wordStatistic, i) } } else { if i[0] != 'a' && i[0] != 'A' { delete(wordStatistic, i) } else if i[0] == 'A' { wordStatistic["a"] += wordStatistic[i] delete(wordStatistic, i) } } } /*把map的关键字映射到string切片进行排序*/ sortSlice := make([]string, 0, len(wordStatistic)) for i := range wordStatistic { sortSlice = append(sortSlice, i) } sort.Strings(sortSlice) /*输出结果*/ for _, v := range sortSlice { fmt.Printf("%s:%d\n", v, wordStatistic[v]) } fmt.Printf("word count:%d\n", len(wordStatistic)) }
主函数随便输入一篇英语文章
func main() { str := ` There are moments in life when you miss someone so much that you just want to pick them from your dreams and hug them for real! Dream what you want to dream;go where you want to go;be what you want to be,because you have only one life and one chance to do all the things you want to do. May you have enough happiness to make you sweet,enough trials to make you strong,enough sorrow to keep you human,enough hope to make you happy"htmlcode">C:\Users\24213\go project>cd src\github.com\go-study\lesson6\practice1 C:\Users\24213\go project\src\github.com\go-study\lesson6\practice1>go build C:\Users\24213\go project\src\github.com\go-study\lesson6\practice1>practice1 a:4 all:1 along:1 always:2 and:8 another:1 appreciate:2 are:2 around:2 bad:1 based:1 be:3 because:1 begins:1 best:1 born:1 brighten:1 brighter:1 brightest:1 can:2 chance:1 comes:1 cry:1 crying:2 day:1 die:1 do:2 don:3 down:1 dream:2 dreams:1 ends:1 enough:4 everyone:2 everything:2 failures:1 feel:1 for:3 forgotten:1 friendship:1 from:1 future:1 go:4 grows:1 happen:1 happiest:1 happiness:2 happy:1 have:7 heartaches:1 hope:1 hug:1 human:1 hurt:1 hurts:2 if:2 importance:1 in:4 is:2 it:3 just:3 keep:1 kiss:1 know:1 let:2 lies:1 life:5 live:1 lives:1 love:1 make:6 may:1 mean:1 message:2 miss:2 moments:1 most:1 much:1 necessarily:1 need:1 nothing:1 of:6 on:3 one:4 only:2 opportunity:1 or:1 other:1 others:1 out:1 past:2 people:3 person:1 pick:1 please:1 probably:1 put:1 re:1 real:1 really:2 searched:1 see:1 send:1 shoes:1 side:1 smile:2 smiling:2 so:2 someone:2 something:1 sorrow:1 strong:1 sweet:1 tear:1 that:6 the:10 their:3 them:3 there:1 they:2 things:2 this:2 those:9 to:19 too:1 touched:2 trials:1 tried:1 until:1 want:6 was:1 way:2 well:1 were:2 what:2 when:5 where:1 who:10 will:3 with:4 worry:1 you:32 your:4 yourself:1 word count:144总结
以上所述是小编给大家介绍的go语言之给定英语文章统计单词数量(go语言小练习),希望对大家有所帮助!
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P70系列延期,华为新旗舰将在下月发布
3月20日消息,近期博主@数码闲聊站 透露,原定三月份发布的华为新旗舰P70系列延期发布,预计4月份上市。
而博主@定焦数码 爆料,华为的P70系列在定位上已经超过了Mate60,成为了重要的旗舰系列之一。它肩负着重返影像领域顶尖的使命。那么这次P70会带来哪些令人惊艳的创新呢?
根据目前爆料的消息来看,华为P70系列将推出三个版本,其中P70和P70 Pro采用了三角形的摄像头模组设计,而P70 Art则采用了与上一代P60 Art相似的不规则形状设计。这样的外观是否好看见仁见智,但辨识度绝对拉满。
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